Unify descriptions

Author: cytopia

.github/workflows/docker-multistage-build.yml

@@ -1,5 +1,5 @@
 ---
-name: Build multi-arch images
+name: "Build multistage docker images (multi -flavours, -versions, -architectures)"
 
 on:
   workflow_call:

.github/workflows/docker-multistage-configure.yml

@@ -1,5 +1,5 @@
 ---
-name: "Configure Pipeline for multistage docker images (multi -flavours, -versions, -architectures)"
+name: "Configure multistage docker images (multi -flavours, -versions, -architectures)"
 
 on:
   workflow_call:

.github/workflows/docker-multistage-test.yml

@@ -1,5 +1,5 @@
 ---
-name: Test multi-arch images
+name: "Test multistage docker images (multi -flavours, -versions, -architectures)"
 
 on:
   workflow_call: